.norte{
	background-color: gray;
}
.centro{
	background-color: white;
	width: 940px;
	margin: 0 auto 0 auto;
	-moz-border-radius: 3px;
	border-radius: 3px;	
}
.sur{
	background-color: red;
}
@sprite .outer {
	gwt-image:'fondo';		
	background-repeat: repeat-x;
	width: auto; height: auto;			 
	background-position: 0% 0%;
}
